Home / 103,343,640.20-155,015,460.30-35,186,331.95

Finding the Fourth Proportional to 103,343,640.20, 155,015,460.30 and 35,186,331.95

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Solution

The fourth proportional to 103,343,640.20, 155,015,460.30 and 35,186,331.95 is: 52,779,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,343,640.20 : 155,015,460.30 = 35,186,331.95 : x
  2. Step 2: Convert to fraction form
    103,343,640.20/155,015,460.30 = 35,186,331.95/x
  3. Step 3: Cross multiply
    103,343,640.20x = 155,015,460.30 × 35,186,331.95
  4. Step 4: Simplify right side
    103,343,640.20x = 5,454,425,443,497,847
  5. Step 5: Solve for x
    x = 5,454,425,443,497,847/103,343,640.20
  6. Step 6: Final answer
    x = 52,779,497.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.